VirtualBox is one of the most popular freeware virtual machines (VMs) for macOS next to paid apps like Parallels or VMware. Whether you’re testing code, comparing browsers, or just experimenting, this common error is easy to fix.
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If you’re receiving this error, you’ve likely already tried to install VirtualBox on the latest version of macOS. During the course of installation or during the setup of your first VM, you’ll possibly come across this error message:
Note: This option is available only for roughly 30 minutes after a fresh install of VirtualBox. If this message does not appear, uninstall VirtualBox by opening your “Applications” folder and then dragging the VirtualBox app to the Trash. Remove any leftover files, reinstall a fresh copy of VirtualBox, and immediately open the Security & Privacy menu to see this option.